%0 Journal Article %A V. B. Alekseev %A M. M. Krivenko %T On the complexity of the recognition of the completeness of systems of functions in the class $P_3^*$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1997 %P 6-9 %N 3 %U http://geodesic.mathdoc.fr/item/VMUMM_1997_3_a1/ %G ru %F VMUMM_1997_3_a1